$OpenBSD: patch-src_gui_canvasview_cpp,v 1.1 2015/09/24 10:40:16 ajacoutot Exp $

Fix build with libsigc++ >= 2.6.0.

--- src/gui/canvasview.cpp.orig	Sat Jul 18 10:59:00 2015
+++ src/gui/canvasview.cpp	Thu Sep 24 11:08:06 2015
@@ -92,8 +92,6 @@
 //#include <synfigapp/action_deletewaypoint.h>
 
 #include <sigc++/retype_return.h>
-#include <sigc++/retype.h>
-//#include <sigc++/hide.h>
 
 #include "canvasview.h"
 #include "instance.h"
